2066850505204 has 12 divisors (see below), whose sum is σ = 3741712121700. Its totient is φ = 997789899008.

The previous prime is 2066850505169. The next prime is 2066850505207. The reversal of 2066850505204 is 4025050586602.

It can be written as a sum of positive squares in 2 ways, for example, as 1002441488400 + 1064409016804 = 1001220^2 + 1031702^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066850505207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8908838269 + ... + 8908838500.

It is an arithmetic number, because the mean of its divisors is an integer number (311809343475).

Almost surely, 2^{2066850505204} is an apocalyptic number.

It is an amenable number.

2066850505204 is a deficient number, since it is larger than the sum of its proper divisors (1674861616496).

2066850505204 is a wasteful number, since it uses less digits than its factorization.

2066850505204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17817676802 (or 17817676800 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 2066850505204 in words is "two trillion, sixty-six billion, eight hundred fifty million, five hundred five thousand, two hundred four".